Side by side

Spotless vs stylish-haskell

Both stand on code formatting tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Spotless

Free plan LinuxMacWindows

Choose Spotless if you need an open-source formatter that can check and fix code across multiple languages and build systems. Check the build-tool feature matrix before choosing SBT, since some listed capabilities are unavailable there.

Visit Spotless

stylish-haskell

Free plan LinuxWindows

stylish-haskell provides broad Haskell source-formatting features with configurable behavior and editor integrations. Its BSD-3-Clause license and free availability suit developers seeking an open formatter.

Visit stylish-haskell

The facts

	Spotless	stylish-haskell
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Linux, Mac, Windows	Linux, Windows
Lowest paid plan	Free or on request	Not published
Plans published	2	None
Maker	Not published	Not published
Website	github.com	github.com
On code formatting tools	#26 of 34	#30 of 34

Spotless: what it does well

Checks files for formatting violations and can apply fixes.
Supports many languages and formats, including Java, Python, and Markdown.
Offers formatter options such as Prettier, Black, and ktlint.
Supports changed-lines formatting, ignore files, and a library API.
Free forever at no cost, with no registration required.

What to know first

Some capabilities, including ratcheting, are unavailable in SBT.
Fast incremental formatting is unavailable in SBT.
SBT integration is linked externally.

stylish-haskell: what it does well

Free and open source
Formats and sorts imports
Supports configurable YAML settings
Integrates with several editors
Works in continuous integration

What to know first

Supports Haskell only
Windows and Linux platforms listed
Tab replacement is off by default
No ignore-file support listed

Alternatives to Spotless Alternatives to stylish-haskell The whole list